MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting it is a 'practice answers pdf' to lure users. The presence of multiple Shopify-hosted PDF links, some benign and some potentially malicious, indicates a link farm strategy. The primary malicious URL is https://ttraff.ru/pify?keyword=realidades+3+guided+practice+answers+pdf.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=realidades+3+guided+practice+answers+pdf
- http://verep.cre8tivemarketingagency.com/uploads/1/3/1/1/131164250/6457938.pdf
- https://cdn.shopify.com/s/files/1/0439/7203/4718/files/mavawakefawajodubivosite.pdf
- https://cdn.shopify.com/s/files/1/0430/9073/9361/files/12143907193.pdf
- https://cdn.shopify.com/s/files/1/0431/1701/9292/files/6183766154.pdf
- https://cdn.shopify.com/s/files/1/0440/8419/9574/files/atkins_chemical_principles.pdf
- https://cdn.shopify.com/s/files/1/0432/7669/7760/files/twitter_background_size.pdf
- https://cdn.shopify.com/s/files/1/0432/6863/6834/files/windows_media_center_guide_not_updating_2017.pdf
- https://cdn.shopify.com/s/files/1/0430/9712/9109/files/50421331001.pdf
- https://cdn.shopify.com/s/files/1/0437/8610/9086/files/bowlby_attachment_styles.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00003ccb.bin26d3ff076705e3c451a18fe9957bd83a633578a3a36c075ea9eed58bfaf168b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3CCB | 5356 bytes |
font_01_sfnt_off00004f26.bin3ac4b6ca3bb71ce71a7bfc5a39da3ab9ab5ff3ca9e6cee1c93641ae36d2f1cea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4F26 | 9636 bytes |
font_02_sfnt_off00007006.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7006 | 4324 bytes |
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